A few weeks ago Ryoko shared a post documenting the Shadow Remix activity that she recently facilitated. This post will provide more information about the light sources we use for our light and shadow ...

Cut the sides of the small cup into four equal parts. Remove the base to create four curved pieces that will be the blades of the wind generator. Use hot glue to attach two craft sticks together at ...

Make an inexpensive laser interferometer. An optical interferometer splits a beam of light into two beams that travel at right angles, then recombines them. The resulting interference pattern reveals ...

Happy National DNA Day, which commemorates the successful completion of the Human Genome Project in 2003 and the discovery of DNA's double helix in 1953. Published sixty-four years ago in the journal ...

We've been laser engraving on wood and plastics and they have been great when we make signs/signage in the Tinkering Studio. Lately I've been experimenting with filling some paint in engraving so that ...

We have been prototyping a new automata activity called “Cranky Contraptions” using simple materials such as wooden blocks, wire, and foamies. Now that it’s been about a month that we have been ...

On February 16 the Exploratorium will be hosting "In My Solitude:The Detrimental Effects of Solitary Confinement on the Brain," a panel discussion about the legal and neurological issues surrounding ...

Can you smell time? Your dog can. On a very basic level, so can you: When you crack the lid on that old quart of milk, tentatively sniff and—peeyouu!—promptly dump that foul stuff down the sink, you ...

-Sportscaster Joe Garagiola describing the first documented appearance of a "stadium wave" at the Oakland Alameda Coliseum on October 15, 1981. Consider the stadium wave: a spontaneous group behavior ...

Our social lives are filled with ritualistic touching: from hugs to high fives to pinky-swears. These acts of interpersonal contact create feelings of connection between people—both literally and ...

Before you take the next photo, make sure that you slide down the dot on the slider bar on the left. This gives you an onion skin (a faint ghost of the previous image that you captured) to help you ...

Starting this week, the sound of saws and hammers filled UN Plaza near San Francisco’s Civic Center. Within the month, construction sounds will be replaced with the ringing of chimes and other ...